55324472928 has 24 divisors (see below), whose sum is σ = 145226741688. Its totient is φ = 18441490944.

The previous prime is 55324472911. The next prime is 55324472933. The reversal of 55324472928 is 82927442355.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×55324472928² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288148201 + ... + 288148392.

It is an arithmetic number, because the mean of its divisors is an integer number (6051114237).

Almost surely, 2^55324472928 is an apocalyptic number.

It is an amenable number.

55324472928 is an abundant number, since it is smaller than the sum of its proper divisors (89902268760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55324472928 is a wasteful number, since it uses less digits than its factorization.

55324472928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576296606 (or 576296598 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 51.

The spelling of 55324472928 in words is "fifty-five billion, three hundred twenty-four million, four hundred seventy-two thousand, nine hundred twenty-eight".